Home / 1,112,718.57-1,669,285.42-505,549.46

Finding the Fourth Proportional to 1,112,718.57, 1,669,285.42 and 505,549.46

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Solution

The fourth proportional to 1,112,718.57, 1,669,285.42 and 505,549.46 is: 758,418.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,718.57 : 1,669,285.42 = 505,549.46 : x
  2. Step 2: Convert to fraction form
    1,112,718.57/1,669,285.42 = 505,549.46/x
  3. Step 3: Cross multiply
    1,112,718.57x = 1,669,285.42 × 505,549.46
  4. Step 4: Simplify right side
    1,112,718.57x = 843,906,333,056.57
  5. Step 5: Solve for x
    x = 843,906,333,056.57/1,112,718.57
  6. Step 6: Final answer
    x = 758,418.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.